LG 32LN52 Series - Page 45

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Screen
normal?
N
Y
Check external
device
connection
condition
Y
N
Check and
replace Link
Cable
Normal?
Y
Screen
normal?
Replace
module
Check color condition by input
-External Input
-HDMI
End
Vertical/Horizontal bar, residual image, light spot
Request repair
for external
device
A. Video error
Vertical / Horizontal bar, residual image,
light spot, external device color error
☞A10
External device screen error-Color error
External /
HDMI
Input
error
Connect other external
device and cable
(Check normal operation of
External Input and HDMI by
connecting Jig, pattern
Generator ,Set-top Box etc.
N
Y
Replace
Main B/D
Screen
normal?
Check screen
condition by
input
-External Input
-HDMI/DVI
Request repair for
external device
Check S/W Version
Y
N
Check
version
S/W Upgrade
Y
N
Normal
screen?
End
Y
N
Replace Main B/D
Replace
Module
Screen
normal?
End
Established
date
Revised date
6/14
LCD TV
Error
symptom
Standard Repair Process
☞A7
☞ A8/ A9
Check Test pattern
N
2013. 01 .09
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